Grubber



FIG. 1 is a perspective view of a grubber showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of the wheels and hydraulic cylinders in FIGS. 1–7 is included for the purpose of illustrating portions of the grubber and forms no part of the claimed design. 

The ornamental design for a grubber, as shown and described. 